Java Developer || Mississauga, ON (Hybrid) || Fulltime FTE at Acestack — NeverHard

No# of open positions: 20 Candidate must be available in Canada, and must be authorized to work on Fulltime FTE Role. Role: Java Developer Location: Mississauga, ON - Hybrid ( 2-3 days in a week onsite) Fulltime Permanent - FTE Exp Range: 7- 15 Years --- Must Have Technical/Functional Skills Core Development Java (8/11/17) strong hands on experience Spring Boot, Spring MVC, Spring Data Microservices architecture (service decomposition, API contracts) REST APIs, JSON, OpenAPI / Swagger Kafka producer, consumer, partitioning MongoDb Openshift / AWS Database & Data Layer MongoDB o Document modeling o Indexing strategies o Aggregation framework o CRUD & performance tuning Integration & Messaging Experience with Kafka (preferred) REST based integrations with upstream/downstream systems Roles & Responsibilities Design, develop, and maintain Java based microservices Implement RESTful APIs adhering to enterprise design standards Develop and optimize SQL queries (E2 level) for transactional and reporting use cases Design and manage MongoDB schemas, indexes, and queries Ensure high availability, scalability, and performance of microservices Apply exception handling, logging, monitoring, and resiliency patterns Collaborate with Business Analysts, Architects, QA, and DevOps teams Participate in code reviews, unit testing, and defect resolution Support CI/CD pipelines, deployments, and production issues Follow secure coding and compliance standards